
The annual number and aggregate value of Delaware Court of Chancery M&A lawsuit settlements has grown significantly in recent years, according to a new report from Cornerstone Research. According to the report, which is entitled “M&A Litigation Settlements in the Delaware Court of Chancery: 2012-2024 Review & Analysis,” the median settlement amount has also generally increased in more recent years as well. The September 30, 2025, report can be found here. Cornerstone Research’s September 30, 2025, press release about the report can be found here.Continue Reading Del. Chancery M&A Suit Settlements Increasing in Number and Value


One of the great curses on our legal system is the merger objection litigation phenomenon, pursuant to which nearly every proposed public company merger inevitably attracts at least one shareholder lawsuit in which the claimant alleges that the proxy statement disclosures regarding the proposed merger were inadequate. These lawsuits almost uniformly are settled after the defendant company voluntarily agrees to make supplemental disclosures, for which the plaintiff seeks a “mootness fee” (for supposedly obtaining the supplemental disclosures, making their lawsuit moot). When they have the chance, courts have uniformly disdained these kinds of shakedown; one prominent jurist
When Congress enacted the Private Securities Litigation Reform Act (PSLRA) in 1995, it aimed to address perceived abuses in securities class action litigation. Among the ills Congress sought to address was the prevalence in securities litigation at the time of “professional plaintiffs” — that is, repeat players who lent their names to lawyer-driven lawsuits without performing any oversight or monitoring of the litigation or of the lawyers. In the PSLRA, Congress put limits in place to try to curb these frequent filers. The reality is that these limits have not worked. As is well documented in a new paper from the U.S. Chamber of Commerce’s Institute for Legal Reform entitled “Frequent Filers Revisited: Professional Plaintiffs in Securities Class Actions,” repeat plaintiffs remain an unfortunate feature of securities litigation today, with many of the same ill effects Congress intended to remedy.
As I have noted elsewhere on this site (for example
Federal court securities class action lawsuit filings declined in the first half of 2021 to the lowest semiannual levels in several years. Several factors contributed to this relative decline, most significantly the shift by plaintiffs’ lawyers toward filing federal court merger objection lawsuits as individual actions rather than as class actions. In addition, as discussed further below, other factors contributed to the relative decline. The filing levels in the year’s first six months puts the filing for the full year 2021 on pace for the lowest annual filing levels since 2015, after several intervening years in which filings were at historically high levels.
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